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Bulk and confined acetonitrile in mesoporous silica matrices by extrinsic probing via ESR technique: effects of pore topology, pore size and pore surface composition

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389013%3A_____%2F22%3A00562270" target="_blank" >RIV/61389013:_____/22:00562270 - isvavai.cz</a>

  • Result on the web

    <a href="https://www.sciencedirect.com/science/article/pii/S0009261422007308?via%3Dihub" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0009261422007308?via%3Dihub</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.cplett.2022.140073" target="_blank" >10.1016/j.cplett.2022.140073</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Bulk and confined acetonitrile in mesoporous silica matrices by extrinsic probing via ESR technique: effects of pore topology, pore size and pore surface composition

  • Original language description

    The spectral behavior of the spin probe 2,2,6,6-tetramethyl-1‑piperidinyloxy (TEMPO) in acetonitrile (ACN) as a representative of aprotic polar medium in the bulk and in 2D-confined states of three silica matrices differing in the pore topology, pore size and pore wall composition using electron spin resonance (ESR) is presented. The changes in interaction and dynamic parameters of TEMPO due to spatial restriction of ACN and pore surface chemistry are related to phase behaviors from differential scanning calorimetry (DSC). The obtained ESR findings are compared with those for apolar and protic polar media in the same native and modified confining silica matrices.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10404 - Polymer science

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2022

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Chemical Physics Letters

  • ISSN

    0009-2614

  • e-ISSN

    1873-4448

  • Volume of the periodical

    807

  • Issue of the periodical within the volume

    16 November

  • Country of publishing house

    NL - THE KINGDOM OF THE NETHERLANDS

  • Number of pages

    8

  • Pages from-to

    140073

  • UT code for WoS article

    000875705100006

  • EID of the result in the Scopus database

    2-s2.0-85139322203